TW452766B - System for copy protection of recorded information - Google Patents

System for copy protection of recorded information Download PDF

Info

Publication number
TW452766B
TW452766B TW088117277A TW88117277A TW452766B TW 452766 B TW452766 B TW 452766B TW 088117277 A TW088117277 A TW 088117277A TW 88117277 A TW88117277 A TW 88117277A TW 452766 B TW452766 B TW 452766B
Authority
TW
Taiwan
Prior art keywords
information
format
recording
item
carrier
Prior art date
Application number
TW088117277A
Other languages
English (en)
Chinese (zh)
Inventor
Franciscus Lucas Ant Kamperman
Antonius Adriaan Maria Staring
Original Assignee
Koninkl Philips Electronics Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of TW452766B publication Critical patent/TW452766B/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00615—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Storage Device Security (AREA)
TW088117277A 1998-10-05 1999-10-07 System for copy protection of recorded information TW452766B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98203340 1998-10-05

Publications (1)

Publication Number Publication Date
TW452766B true TW452766B (en) 2001-09-01

Family

ID=8234181

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088117277A TW452766B (en) 1998-10-05 1999-10-07 System for copy protection of recorded information

Country Status (23)

Country Link
US (2) US6580682B1 (fr)
EP (1) EP1046163B1 (fr)
JP (1) JP4130867B2 (fr)
KR (1) KR100583355B1 (fr)
CN (2) CN1494080A (fr)
AR (1) AR020713A1 (fr)
AU (1) AU6082799A (fr)
BR (1) BR9907778B1 (fr)
CZ (1) CZ301303B6 (fr)
DE (1) DE69935124T2 (fr)
EG (1) EG22467A (fr)
ES (1) ES2281190T3 (fr)
HU (1) HU225000B1 (fr)
IL (1) IL136531A (fr)
MY (1) MY123433A (fr)
PL (1) PL209566B1 (fr)
PT (1) PT1046163E (fr)
RU (1) RU2229173C2 (fr)
TR (1) TR200002369T1 (fr)
TW (1) TW452766B (fr)
UA (1) UA67759C2 (fr)
WO (1) WO2000021085A1 (fr)
ZA (1) ZA200002773B (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8077572B2 (en) 2002-07-02 2011-12-13 Lg Electronics Inc. Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium

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US6988206B1 (en) 1998-10-20 2006-01-17 Macrovision Europe Limited Prevention of CD-audio piracy using sub-code channels
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8077572B2 (en) 2002-07-02 2011-12-13 Lg Electronics Inc. Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium
US8432779B2 (en) 2002-07-02 2013-04-30 Lg Electronics Inc. Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium

Also Published As

Publication number Publication date
BR9907778B1 (pt) 2012-01-24
UA67759C2 (uk) 2004-07-15
US7792001B2 (en) 2010-09-07
JP2002527847A (ja) 2002-08-27
ZA200002773B (en) 2001-06-04
KR20010032736A (ko) 2001-04-25
DE69935124T2 (de) 2007-11-22
PT1046163E (pt) 2007-05-31
IL136531A0 (en) 2001-06-14
MY123433A (en) 2006-05-31
US20030185130A1 (en) 2003-10-02
CZ20002071A3 (cs) 2000-11-15
HU225000B1 (en) 2006-05-29
CN1494080A (zh) 2004-05-05
KR100583355B1 (ko) 2006-05-25
EP1046163A1 (fr) 2000-10-25
IL136531A (en) 2004-02-08
ES2281190T3 (es) 2007-09-16
HUP0100222A3 (en) 2003-04-28
TR200002369T1 (tr) 2001-01-22
AU6082799A (en) 2000-04-26
AR020713A1 (es) 2002-05-22
RU2229173C2 (ru) 2004-05-20
HUP0100222A2 (hu) 2001-05-28
EP1046163B1 (fr) 2007-02-14
EG22467A (en) 2003-02-26
WO2000021085A1 (fr) 2000-04-13
CZ301303B6 (cs) 2010-01-06
PL209566B1 (pl) 2011-09-30
BR9907778A (pt) 2000-10-10
JP4130867B2 (ja) 2008-08-06
DE69935124D1 (de) 2007-03-29
PL340923A1 (en) 2001-03-12
CN1192379C (zh) 2005-03-09
US6580682B1 (en) 2003-06-17
CN1290395A (zh) 2001-04-04

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